Home / 2,966.31-4,449.47-1,811.79

Finding the Fourth Proportional to 2,966.31, 4,449.47 and 1,811.79

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Solution

The fourth proportional to 2,966.31, 4,449.47 and 1,811.79 is: 2,717.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,966.31 : 4,449.47 = 1,811.79 : x
  2. Step 2: Convert to fraction form
    2,966.31/4,449.47 = 1,811.79/x
  3. Step 3: Cross multiply
    2,966.31x = 4,449.47 × 1,811.79
  4. Step 4: Simplify right side
    2,966.31x = 8,061,496.19
  5. Step 5: Solve for x
    x = 8,061,496.19/2,966.31
  6. Step 6: Final answer
    x = 2,717.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.